PWR core phenomena can be simulated and predicted more precisely and in more details with high-fidelity neutronics and thermal-hydraulics coupling calculations. An internal coupling between a newly developed high-fidelity neutronics code NECP-X and the sub-channel code SUBSC has been realized. In order to verify the NECP-X/SUBSC coupling system, another high-fidelity neutronics and thermal-hydraulics coupling system OpenMC/SUBSC was developed through external coupling method. Both coupling systems were applied to a simplified PWR 3×3 pin cluster case. The numerical result shows good agreement in both eigenvalue and normalized axial power distribution for a selected pin, demonstrating the success of the internal coupling of NECP-X and SUBSC.
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2017 25th International Conference on Nuclear Engineering
July 2–6, 2017
Shanghai, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-5787-8
PROCEEDINGS PAPER
Preliminary Verification of the High-Fidelity Neutronics and Thermal-Hydraulics Coupling System NECP-X/SUBSC
Jun Chen,
Jun Chen
Xi’an Jiaotong University, Xi’an, China
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Liangzhi Cao,
Liangzhi Cao
Xi’an Jiaotong University, Xi’an, China
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Zhouyu Liu,
Zhouyu Liu
Xi’an Jiaotong University, Xi’an, China
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Hongchun Wu,
Hongchun Wu
Xi’an Jiaotong University, Xi’an, China
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Yijun Zhang
Yijun Zhang
Xi’an Jiaotong University, Xi’an, China
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Jun Chen
Xi’an Jiaotong University, Xi’an, China
Liangzhi Cao
Xi’an Jiaotong University, Xi’an, China
Zhouyu Liu
Xi’an Jiaotong University, Xi’an, China
Hongchun Wu
Xi’an Jiaotong University, Xi’an, China
Yijun Zhang
Xi’an Jiaotong University, Xi’an, China
Paper No:
ICONE25-66511, V009T15A011; 6 pages
Published Online:
October 17, 2017
Citation
Chen, J, Cao, L, Liu, Z, Wu, H, & Zhang, Y. "Preliminary Verification of the High-Fidelity Neutronics and Thermal-Hydraulics Coupling System NECP-X/SUBSC." Proceedings of the 2017 25th International Conference on Nuclear Engineering. Volume 9: Student Paper Competition. Shanghai, China. July 2–6, 2017. V009T15A011. ASME. https://doi.org/10.1115/ICONE25-66511
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